Estimated arrival time HK 30 50days CZ USA 7 10daysSpecifications Brand GokwhName Energy Storage BoxCell Type Prismatic Lithium Iron Phosphate LiFePO4 Nominal Voltage 51 2VRated Capacity 340AhNominal Energy 17 4kWhInternal Resistance ≤80 mΩBMS 200ACommunication Bluetooth RS485 CANActive Balancing Current 2ARated Charge Current 100AMax Charge Current 200ARated Discharge Current 100AMax Discharge Current 200APeak Discharge Current 400A ≤ 3sDischarge Cut off Voltage 40VCycle Life ≥8000 at 80 DODMax Expansion 15P In Parallel Dimensions L W H 28 7 17 3 9 5 in 730 440 242mm Weight 255lb 115 8kgDisplay Touch LCD ScreenProtection Class IP20Warranty 5 YearCHARGE Charge Method CV CCCharge Voltage 58 4VRecommend Charge Current ≤100ATEMPERATURE Charge 55℃ 131℉Discharge 55℃ 131℉Storage 25℃ 77℉Features High Capacity and Voltage The Gokwh Energy Storage Box boasts an impressive 340Ah capacity and a nominal voltage of 51 2V providing substantial energy storage of 17 4kWh This makes it ideal for powering a wide range of household appliances and ensuring long lasting power backup Advanced Battery Management System BMS The integrated 200A BMS offers robust performance management ensuring optimal battery usage efficiency and safety The system supports Bluetooth RS485 and CAN communication allowing for easy monitoring and control of the battery status Efficient Charging and Discharging With a rated charge current of 100A and maxi